<Enhanced Solar Energy Sales Calculator> 
1. Solar Yellow - 
                            
                            #F6D02F
                         - A bright, cheerful yellow that evokes sunlight and energy.
2. Sky Blue - 
                            
                            #87CEEB
                         - A calm blue reminiscent of clear skies, promoting a sense of trust and reliability.
3. Grass Green - 
                            
                            #4CAF50
                         - A vibrant green that symbolizes growth and sustainability, reflecting the eco-friendly aspect of solar energy.
4. Earthy Brown - 
                            
                            #8B4513
                         - A grounding brown that connects to nature and adds a stable, earthy tone to the palette.
5. Bright Red - 
                            
                            #FF5733
                         - A bold red that can signify urgency or action, perfect for highlighting key information or calls to action.
6. Soft Gray - 
                            
                            #D3D3D3
                         - A light gray that adds a modern touch and provides a neutral background to enhance readability.
7. Deep Ocean Blue - 
                            
                            #003366
                         - A deep, serious blue that can add professionalism and depth, suitable for headers or footers.
8. Light Mint - 
                            
                            #98FF98
                         - A soft mint green that can be used for background elements to add freshness without overpowering other colors.
9. Coral Pink - 
                            
                            #FF6F61
                         - A warm coral that can be used for buttons or interactive elements to create a welcoming feel.
10. Charcoal Black - 
                            
                            #333333
                         - A dark gray that can be used for text and borders to enhance contrast and readability.

This enhanced color palette incorporates additional colors to provide more options for differentiation and emphasis in your calculator. The new colors—Deep Ocean Blue, Light Mint, Coral Pink, and Charcoal Black—allow for a broader range of design elements, enhancing professionalism and user engagement.

What specific sections of the calculator do you envision using these additional colors? Would you like to focus on any specific user interactions or functionalities?